[extractor/generic] Add support vessel embeds (Closes #7083)

youtube_dl/extractor/generic.py

@@ -63,6 +63,7 @@ from .instagram import InstagramIE
 from .liveleak import LiveLeakIE
 from .threeqsdn import ThreeQSDNIE
 from .theplatform import ThePlatformIE
+from .vessel import VesselIE
 
 
 class GenericIE(InfoExtractor):
@@ -1533,6 +1534,11 @@ class GenericIE(InfoExtractor):
         if tp_urls:
             return _playlist_from_matches(tp_urls, ie='ThePlatform')
 
+        # Look for Vessel embeds
+        vessel_urls = VesselIE._extract_urls(webpage)
+        if vessel_urls:
+            return _playlist_from_matches(vessel_urls, ie=VesselIE.ie_key())
+
         # Look for embedded rtl.nl player
         matches = re.findall(
             r'<iframe[^>]+?src="((?:https?:)?//(?:www\.)?rtl\.nl/system/videoplayer/[^"]+(?:video_)?embed[^"]+)"',